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Supported Events
An "event" in ProcessTemplates is a
period of time, defined by a start and end time.
This event is the
period of time during which the template (limits) can be applied to
measurement value.
Starting with ProcessTemplates 2.0, PI Batch is supported, but not required.
Events for Batch
Industries
For traditional batch industries,
events can be PI UnitBatches. If needed, the template settings can
specify additional filters for the UnitBatch event, such as time
offsets, SubBatchs, or range of measurement values.
Events for
All Industries
ProcessTemplates users can define
their own events
using ExpressionEvents: a powerful, user-configurable, event
processing engine.
With ProcessTemplate's ExpressionEvents,
events can be defined using
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PI Tag Expressions: define events
using expressions involving your current PI tags. For
example, an event can be defined as "RPM is greater than 0 and
less than 250"
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Fixed time intervals: define events as fixed-length
time periods (every hour, every day)
The ExpressionEvent
returns the initial
time period for analysis. The template settings can provide further filters to
define a sub-period within the event.
You can try the ExpressionEvent
engine in our free, standalone
ExpressionEvent tool.
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